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Corrected names in README file.

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Philipp Wiesemann 2013-04-29 23:41:49 +02:00
parent 7ba6d24ed9
commit 8b5e69d9c5
1 changed files with 4 additions and 4 deletions
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8
README.touch
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@ -28,14 +28,14 @@ event.tfinger.pressure - the pressure of the touch (0..1)
SDL_FINGERMOTION: SDL_FINGERMOTION:
Sent when a finger (or stylus) is moved on the touch device. Sent when a finger (or stylus) is moved on the touch device.
Fields: Fields:
Same as FINGERDOWN but with additional: Same as SDL_FINGERDOWN but with additional:
event.tfinger.dx - change in x coordinate during this motion event. event.tfinger.dx - change in x coordinate during this motion event.
event.tfinger.dy - change in y coordinate during this motion event. event.tfinger.dy - change in y coordinate during this motion event.
SDL_FINGERUP: SDL_FINGERUP:
Sent when a finger (or stylus) is lifted from the touch device. Sent when a finger (or stylus) is lifted from the touch device.
Fields: Fields:
Same as FINGERDOWN. Same as SDL_FINGERDOWN.
=========================================================================== ===========================================================================
@ -52,7 +52,7 @@ IMPORTANT: If the touch has been removed, or there is no touch with the given ID
The number of touch devices can be queried with SDL_GetNumTouchDevices(). The number of touch devices can be queried with SDL_GetNumTouchDevices().
A SDL_Touch may be used to get pointers to SDL_Finger. A SDL_TouchID may be used to get pointers to SDL_Finger.
SDL_GetNumTouchFingers(touchID) may be used to get the number of fingers currently down on the device. SDL_GetNumTouchFingers(touchID) may be used to get the number of fingers currently down on the device.
@ -65,7 +65,7 @@ The most common reason to access SDL_Finger is to query the fingers outside the
To get a SDL_Finger, call SDL_GetTouchFinger(touchID,index), where touchID is a SDL_TouchID, and index is the requested finger. To get a SDL_Finger, call SDL_GetTouchFinger(touchID,index), where touchID is a SDL_TouchID, and index is the requested finger.
This returns a SDL_Finger*, or NULL if the finger does not exist, or has been removed. This returns a SDL_Finger*, or NULL if the finger does not exist, or has been removed.
A SDL_Finger is guaranteed to be persistent for the duration of a touch, but it will be de-allocated as soon as the finger is removed. This occurs when the SDL_FINGERUP event is _added_ to the event queue, and thus _before_ the FINGERUP event is polled. A SDL_Finger is guaranteed to be persistent for the duration of a touch, but it will be de-allocated as soon as the finger is removed. This occurs when the SDL_FINGERUP event is _added_ to the event queue, and thus _before_ the SDL_FINGERUP event is polled.
As a result, be very careful to check for NULL return values. As a result, be very careful to check for NULL return values.
A SDL_Finger has the following fields: A SDL_Finger has the following fields: